Where to find ODBC driver for AS400/DB2?

Posted on 2009-05-04
Last Modified: 2013-12-06
I need to access a table in a DB2 database on an AS400 system. The goal is to create a linked table in MS Access so that additional relational data from other parts of the clients' business can be associated with records within that table.

I presume that I'll need to get an ODBC driver from IBM, but can't seem to find it on their website, much less determine the cost of it.

Could somebody please point me in the right direction?

Thanks in advance!

Question by:CoastalData
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LVL 16

Expert Comment

by:Chuck Wood
ID: 24295501
I use a function to get data from a DB2 database on the AS/400.
Public Sub SampleCode()

    Dim strSQL As String, blnGood As Boolean, avarData() As Variant


    blnGood = AS400GetData("UserName", "Password", strSQL, "LPAR/SYSTEM", avarData)

    If blnGood Then

        ' use the data

    End If

End Sub

Public Function AS400GetData(ByVal strUserName As String, _

  ByVal strPassword As String, ByVal strSQL As String, _

  ByVal strSystem As String, ByRef avarData() As Variant) As Boolean

' set up error handling

On Error GoTo ErrorHandler

    ' set the initial state of the function

    AS400GetData = False

    ' open a connection to the AS400

    Dim cnn As New ADODB.Connection

    cnn.Open "Provider=IBMDA400;Data Source=" & strSystem & _

        ";User ID=" & strUserName & ";Password=" & strPassword & ";"

    ' using a recordset, get the data and field names

    Dim rst As New ADODB.Recordset

    With rst

        ' open the recordset

        .Open strSQL, cnn

        ' if data was found,

        If Not .EOF Then

            ' get the data

            avarData = .GetRows

            ' eliminate leading and trailing spaces in the data elements

            AS400TrimData avarData

            ' indicate data was retrieved

            AS400GetData = True

        End If


    End With

    ' close the connection


    ' clean up

    Set rst = Nothing

    Set cnn = Nothing


    Exit Function


    MsgBox "Error:" & Err.Number & vbNewLine & _

        "Description:" & Err.Description & vbNewLine & _

        "From:" & Err.Source, vbExclamation, _

        "AS400GetData Failed"

    Resume ExitHere

End Function

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LVL 84
ID: 24296208
LVL 34

Expert Comment

by:Gary Patterson
ID: 24296282
IBM ODBC Driver ships as part of the installation media for IBM Client Access (iSeries Access, System i Access, whatever) that comes with every AS/400.  There is no additional fee for using or installing this product.

If you don't have or can't find your copy of the installation kit, IBM or your IBM Business Partner can help you order replacement media.

- Gary Patterson

Author Comment

ID: 24296314

LSM: So it looks like MS provides an ODBC driver for DB2... I was thinking for sure I'd have to buy one from IBM! I don't yet see a download link from that page, but I'll dig some more and see what I can come up with, maybe I should've been looking on the MS site from the start.

CWood: Nice DSNless connection! However, I prefer to "link" to the table so that updates to the AS400 are always automatically reflected to the Access database. Nonetheless, did you have to install additional software to make that work? I don't see any evidence of that provider on my system, even though I have tons and tons of MS development software and sdks installed.

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Author Comment

ID: 24296360
Okay, I just noticed that that LSMs' link comes from the section of "Host Integration Server", which is actually what I first thought I'd need, but then I thought that that was overkill, that maybe I could get *just* the ODBC driver.

Anybody got a feel for HIS, what it is, and how it fits into the Windows Server picture? Do I need it all, can I use just parts, etc.?


Author Comment

ID: 24296394
Gary: Aha, there we go, that must be what I'm missing, I need to speak to the other IT guy at the client site. No MS Host Integration Server needed? Our needs are so basically simple that I hate to add unneccessary puzzle pieces to support!
LVL 34

Accepted Solution

Gary Patterson earned 250 total points
ID: 24296445
LSM's solution requires the Microsoft Host Integration Server product:

CWood's solution requires the IBM OLE DB Provider (Provider=IBMDA400) from the Client Access installation materials that I mentioned earlier.

The easiest, cheapest, most widely supported  thing to do is to just install the (free) drivers from the Client Access installation media.

- Gary Patterson
LVL 16

Expert Comment

by:Chuck Wood
ID: 24296457
<Nonetheless, did you have to install additional software to make that work?>

The only additional software I have installed is the IBM Client Access.

Author Closing Comment

ID: 31577545
Thank you very much, that's exactly what I needed to know!

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